... Stand alone DVR -H.264 compression -Support Mobile -Audio,Alarm,VGA,USB,remote control,internet Surveillance system 4CH H.264 Stand alone network DVR ... operation of recording, playback, network transmission, backup, mobile control and interface operation 3.Two USB ports, two ... Window Mobile, Symbian, Android, iPhone, BlackBerry.Spec; AS-8104A AS-8108BWide usage: 4CH H.264 CCTV DVR Stand alone with ...